fix gui dependency (#208)

.github/workflows/publish.yml

@@ -54,7 +54,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install build
-          pip install "taipy-gui>=<set taipy-gui version here>"
+          pip install "taipy-gui>=2.3.0"
 
       - name: Build and test the package
         run: |
@@ -81,7 +81,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install build
-          pip install "taipy-gui>=<set taipy-gui version here>"
+          pip install "taipy-gui>=2.3.0"
 
       - name: Build package
         run: python setup.py build_py && python -m build